PSE-76
100 MW storage in King, WA · In queue since September 2019 · Proposed COD August 2025
100 MW
Capacity
1
Components
Battery
6y 8m
In Queue
Suspended
IA Status
COD target: 2025
Total Duration
5y 11m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2025-08-13
PSE-76 is a proposed 100 MW battery storage project located in King County, Washington. The project, developed by Puget Sound Energy (PSE), entered the Puget Sound Energy interconnection queue on September 9, 2019, with a proposed commercial operation date of August 13, 2025. The point of interconnection is the Christopher 115 kV Substation.
The project's interconnection status is currently listed as suspended, and the Interconnection Agreement (IA) status is also suspended.
Generated from interconnection queue and public data sources
State
WA
County
King
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Christopher 115 kV Substation
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- MID-C
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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